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Test your basic knowledge |
Dairy Cattle And Reproduction
Start Test
Study First
Subjects
:
industries
,
dairy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Way to know everything is alright with the breeding male
purpose of Breeding Soundness Exam (BSE) for males
estrous
seminiferous tubules
mare ovulation
2. Duct through penis that carries sperm and urine
libido test (BSE)
sperm cell
urethra
effects of estrogen
3. Animal which has been castrated after puberty
growth lost from castration methods (knife & band)
stag
eminal vesicles
Holstein Cow
4. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders
Bull's fibro-elastic penis
sperm cell
Follical Stimulating in females
Mares
5. (switzerland) 2nd in size and milk production - most muscle -
Blood
Brown Swiss Cow
penis proper
feeding a high producing dairy cow
6. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co
prostate gland
ewe's estrous cycle
Lutinizing Hormone in males
effects of BST
7. Scar tissue plugs up chambers of udder
mare estrus
6-8 weeks
mastitis
kidney stones also called ________ ___________ can develop in the sigmoid flexure
8. ~60 days before calving
organs used in spermatogenesis
mastitis
sperm cell
dry-off time in dairy cattle
9. Produce testosterone. located between the seminiferous tubules
Size of cow in relation to the amount of milk produced
Mares
1. more cost effective - 2. powdered milk is in excess production
leydid or interstitial cells
10. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.
estrous
penis sizes vs delivering methods
mare's estrous cycle
Bull's fibro-elastic penis
11. 16-20 hours
cow estrus
4 major reasons for culling dairy cows
monorchid
effects of BST
12. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.
effects of estrogen
penis and prepuce observation (BSE)
ewe's estrous cycle
Dairy Cattle Gestation
13. 114 days
pelvis
Hard
sow gestation
Reasons for gestation length being affected
14. Why Dairy calves are fed powdered milk.
vagina
effects of BST
1. more cost effective - 2. powdered milk is in excess production
Where livelihood is in agriculture
15. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING
testis (gonads)
mare gestation
reason for seasonal breeding periods
Lutinizing Hormone in males
16. Implies the amount of estrogen production
cowper's gland
femininity of a heifer
burdizzo
libido test (BSE)
17. Front feet and head first. (except for hogs and dogs)
normal presentation of the fetus
things to check for in a breeding soundness exam (BSE)
feeding a high producing dairy cow
Reasons for gestation length being affected
18. 114 days
testis (gonads)
monorchid
sow gestation
organs used in spermatogenesis
19. 14-19 (17) days
ewe estrus cycle
semen evaluation (BSE)
sow estrus
reason for seasonal breeding periods
20. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.
sow estrus cycle
testis (gonads)
penis sizes vs delivering methods
Where livelihood is in agriculture
21. When are steers and heifers weaned from bottle feeding?
Dairy Cattle milking schedule
dairy cattle pregnancy check
6-8 weeks
~1 month
22. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.
mastitis
penis sizes vs delivering methods
mare gestation
retractor muscles
23. Contains and regulates the temp of the testes for sperm production
scrotum
castration
ewe estrus cycle
Bull's fibro-elastic penis
24. Look for infection - split - and rupture of the penis
sow estrus cycle
femininity of a heifer
Size of cow in relation to the amount of milk produced
penis and prepuce observation (BSE)
25. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co
uterus
effects of BST
Hard
Lutinizing Hormone in females
26. Animal which has been castrated after puberty
1. more cost effective - 2. powdered milk is in excess production
stag
mare estrus cycle
Dairy Cattle Gestation
27. Microscopic - make sure not sterile - very few bulls are actually tested
semen evaluation (BSE)
Bull's fibro-elastic penis
penis and prepuce observation (BSE)
Dairy Cattle Lactation (standard)
28. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.
Holstein Cow
hormones
sertoli cells
Culls bulls earlier (2 reasons)
29. Male on one pin and female on other side
libido test (BSE)
spermatogenesis
Dairy calves are removed from cow at birth to...
estrus
30. Male on one pin and female on other side
reason for seasonal breeding periods
Grading choice
Lutinizing Hormone in females
libido test (BSE)
31. Depository for semen during insemination. where urine leaves the body
vagina
mastitis
Parturition
mare estrus
32. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells
age and castration
organs used in spermatogenesis
dartos muscle
prostate gland
33. FEED
sertoli cells
#1 cost in production
age and castration
ewe estrus cycle
34. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.
prostate gland
estrous
prostaglandin
uterus
35. (male) pushes the testes upward toward the body for warmth or protection
cow ovulation
van deferens
Grading choice
dartos muscle
36. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood
Dairy calves are removed from cow at birth to...
penis proper
kidney stones also called ________ ___________ can develop in the sigmoid flexure
cow gestation
37. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days
elastrator
epididymis: definition - 3 parts - 4 functions
1. more cost effective - 2. powdered milk is in excess production
prostate gland
38. Milk ~305 days - dry 60 days prior to calving
estrus
penis sizes vs delivering methods
Dairy Cattle milking schedule
rectal palpation (BSE)
39. (LH) stimulates the Leydig cells to produce testosterone
behavioral signs of estrus
dairy cattle pregnancy check
polyestrous
Lutinizing Hormone in males
40. 19-23 (21) days
cow estrus
sow estrus cycle
ewe estrus cycle
van deferens
41. Help to signal hormone levels which we need both in the brain right next to each other.
pelvis
~1 month
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
hypothalamus and pituitary gland
42. Urinary calculi.
cow gestation
reasons for castration
kidney stones also called ________ ___________ can develop in the sigmoid flexure
dartos muscle
43. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING
reason for seasonal breeding periods
visual evaluation (BSE)
cow gestation
#1 cost in production
44. Sperm is produced here
Dairy Cattle milking schedule
Holstein Cow
seminiferous tubules
ewe's estrous cycle
45. Failure to have both testis (gonads) descend
Blood
leydid or interstitial cells
cryptorchid
dartos muscle
46. Sperm production
estrus
sow gestation
spermatogenesis
sertoli cells
47. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.
Hormones from both the fetus and the mom.
libido test (BSE)
uterus
organs used in spermatogenesis
48. (switzerland) 2nd in size and milk production - most muscle -
estrous
Brown Swiss Cow
Grading choice
burdizzo
49. (FSH) causes egg to mature in females
monestrous
Follical Stimulating in females
6-8 weeks
van deferens
50. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)
Grading choice
4 major reasons for culling dairy cows
burdizzo
monorchid